“This review is based on matching the Mini X with Hifiman He-500 Headphones.
You may be reading this review, unsure what to make of this Amp, asking how can a cheap sub $200 amp offer the power needed for an expensive Headphone such as the Hifiman He-500? If you have done your homework you will find this is the stereo amp everybody is...” --fluidz

Oto Line / Phono SE Signature
---------
The latest refinement of our classic and award winning integrated amplifier, the OTO SE Signature possesses all of the legendary qualities that made the OTO SE such a world wide favourite, and adds some extremely special extra features. Not only have key internal components been upgraded - Audio Note Tantalum resisters and Copper Foil capacitors installed...

UPA-200 represents a true breakthrough in audiophile-quality amplification. At last, a truly affordable stereo power amplifier that can satisfy the most discerning aficionado, and at the same, is affordable to anyone with a desire for real quality. Our advanced engineering and design techniques have resulted in an amazing new amplifier. Its rock solid performance and affordable price point...